- Product description
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Product description
V 20-C/U...: Base for photovoltaic systems (Δ-circuit)
• Suitable for V 50-B+C and V25-B+C covers, types 1+2, combination arresters
• Suitable for V 20-C covers, type 2, surge arresters
• Protection circuit against transverse and longitudinal voltages
• Δ-circuit
• Low DC voltage protection level: < 2.4 kV (Voc max = 745V DC with V20-C/0-550)
• Low DC voltage protection level: < 1.5 kV (Voc max = 505V DC with V25-B+C/0-385)
• Low DC voltage protection level: < 1.3 kV (Voc max = 350V DC with V50-C/0-280)
• Labelled connections
Application: In photovoltaic systems between PV modules and inverters.
V 20-C/U-3: Base
• Suitable for V 25-B+C or V 20-C
• Labelled connections
• For Y circuits in PV systems
(With cover V20-C/0-440; Voc suitable to 1,000 V DC)
(With cover V25-B+C/0-385; Voc suitable to 800 V DC)
(Switching of the base: L1 terminal=Plus; L2 terminal=Earth; L3 terminal=Minus; Earthing terminal=Free)
Application: In photovoltaic systems between PH modules and inverter.
- Technical data
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Technical data
Conductor cross-section, rigid (single-wire/multiwire), max. 35 mm² Conductor cross-section, rigid (single-wire/multiwire), min. 2,5 mm² Dimension 3-PH Operating temperature, max. 80 °C Operating temperature, min. -40 °C Pole version 3 Protection rating IP20 Remote signalling no Signalling on device None Version for 3-pin for photovoltaic - All types
- Downloads
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Data sheet V20-C U-3PH / 5096626 , 0.20MB , pdfCatalogue Überspannungsschutz , 28.42MB , pdfDeclaration of conformity V20-C U-3PH / 5096626 , 0.10MB , pdf
English